Recommended Lighting Conditions for Detail-Oriented Tasks
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Questions and Answers

In locations where dirt collects rapidly, what should be the initial illumination level above the recommended standards?

  • 50% more (correct)
  • 75% more
  • 10% more
  • 25% more
  • What is the minimum level of illumination required for discriminating extremely fine detail under conditions of poor contrast for long periods of time?

  • 1000 lux (correct)
  • 1500 lux
  • 500 lux
  • 750 lux
  • What lighting requirement is stipulated for windowless rooms that are used for exacting operations?

  • Task lighting
  • General lighting (correct)
  • Emergency lighting
  • Spotlighting
  • What should happen immediately upon the failure of the general lighting system?

    <p>Automatic lighting of the emergency system</p> Signup and view all the answers

    What provision should be made for dusts, gases, vapors, or mists generated and released in work processes?

    <p>Remove them at their points of origin</p> Signup and view all the answers

    What is the conversion rate from foot candles to lux for the purpose of computation as per the text?

    <p>$1 foot candle = 10 lux$</p> Signup and view all the answers

    What is the minimum lux requirement for passageways, corridors, stairways, warehouses, and storerooms for rough and bulky materials?

    <p>50 lux</p> Signup and view all the answers

    Where should a minimum of 100 lux (10 foot candles) of lighting be provided according to the safety regulations?

    <p>Crating and boxing departments</p> Signup and view all the answers

    For which type of operation is a minimum of 20 lux (2 foot candles) sufficient according to the regulations?

    <p>Handling coal or ashes</p> Signup and view all the answers

    What is the lighting requirement for places where slight discrimination of detail is essential?

    <p>100 lux</p> Signup and view all the answers

    Which of the following areas requires a minimum of 100 lux according to the safety regulations?

    <p>Stockrooms for fine materials</p> Signup and view all the answers

    What is the minimum lighting requirement for roadways and outside thoroughfares?

    <p>20 lux</p> Signup and view all the answers

    What is the maximum peak sound pressure level for impulsive or impact noise exposures according to the text?

    <p>140 decibels</p> Signup and view all the answers

    Why should skylights and windows be provided with means to avoid glare according to the text?

    <p>To prevent discomfort for workers</p> Signup and view all the answers

    What type of lighting should be provided in areas where daylight illumination is insufficient based on the text?

    <p>Artificial lighting</p> Signup and view all the answers

    Why should general lighting be widely distributed according to the text?

    <p>To avoid harsh shadows or strong contrast</p> Signup and view all the answers

    What combination of lighting can be provided at the point of work when intense local lighting is necessary based on the text?

    <p>A combination of general and supplementary lighting</p> Signup and view all the answers

    What level of noise exposures do not enter into certain calculations according to the text?

    <p>Less than 90 dBA</p> Signup and view all the answers

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